Main Unit - Icom IC-F210 Service Manual

11-2 MAIN UNIT

MAIN UNIT (1)
J1
SCK
R266 47k
OV12
SI
OV12 R267 27k
SO
DAST R268 10k
CIRQ
GND
CCS
OPT3
REM
OPT2
DISC
OPT1
DET
to
Optional SIGO
unit
RMUTE
NC
BEEPO
BUSY
AFONO
NC
MMUTE
MCIN
VCC
MCOT R271 100
5V MIC CP23
PTTO
GND
PTTI
CP24
PTTO
PTTI
590mVrms
(40mVrms at mic terminal)
FRONT UNIT
J2 J2
DIM
GND DIM
GND
DAST
TONE DAST
TONE
OPT3
TENC OPT3
J1 TENC
OPT2
8V NOIS OPT2
NOIS
CL0
OPT1
AFO EXOE OPT1
to EXOE
PTT
mic PTTO
MICE EXST PTTO
jack
EXST
MIC
PTTI
GND UNLK PTTI
UNLK
CLI
REM
PLST REM
PLST
SCK
CDEC SCK
CDEC
SI
SDEC SI
SDEC
SO
OV12 SO
OV12
CIRQ
RSSI CIRQ
RSSI
CCS
LVIN CCS
LVIN
MIC
TEMP MIC
TEMP
EPTT
BATV EPTT
BATV
NC
NC NC
NC
BEEP
NC BEEP
NC
PWON
5V PWON
5V
8V
CPU5 8V
CPU5
GND
AFO GND
AFO
5.0V
R110
47
X2
R220 C161
SCK CR-741
100k 100p
REF
Q19
SI 2SC4215
C200
OV12
0.1
SO
DAST BAL
R210
CIRQ
100K
C163 R222
10 10k
CCS
OPT3
REM
OPT2
DISC
L29 15.3 MHz
OPT1
1.8µ 1.5Vp-p
DET
SIGO
RMUTE
R93 D37
1k MA2S111
BEEPO UNLK
BUSY
AFONO IC4
MB15A02PFV-1
MMUTE SCK 9 8
CLOCK FIN
SO 10 7
DATA LD
PLST 11 6
LE GND
12 5
FC DO
13 4
NC VCC
b 14 3
FOUT VP
15 2
P OSCOUT
16 1
B OSCIN
VCC
MEASUREMENT CONDITIONS
VOLTMETER
Amplitude(Oscilloscope) : 100 MHz
Frequency : 465 MHz
Transmission : 25 W
R145 8.2k TONE
R144 1k TENC
NOIS
CDEC
SDEC
R146 1k CCS
TEMP
LVIN
OV12
CP25
AFO
11 - 2
NOTE
A : Middle band/ Low band
Q17
2SC4116
Q18
R92
2SK880
120k
7.0V
CP1
L28
1.8µ
R97 R95
1k 10k
L27
C337 L32 A
1.8µ
0.001 15n/18n
3.1V
C309
0.01
8
V+
IC5
NJM12904V
GND
4
C304
10p
R116
12k
Q34
IC16
C167 C168 C169 2SC4116
R122
NJM12902V
1.5k 0.1 0.047 0.047
DISC 12
+ 14
13
-
R120 10k
R316 Q37
DET
100k 2SC4213
AFSW
C181 IC5
NJM12904V R129
0.1
b 5 100
+
7
6
-
C182
0.0033
C184 0.001
R126
R127
470
47k
MOD
IC14
BU4066BCFV
MMUT
1
I/O
2
O/I
3
BEEPO
O/I
4
I/O
MMUTE 5
AFON
CONT.B
6
CONT.C
7
IC17
VEE
BU4094BCFV
AFONO
EXST 1 16
STR VDD
SO 2 15 EXOE
D QE
SCK 3 14
CLK Q5
RXC 4 13 TMUT
Q1 Q6
5 12 HORNO
Q2 Q7
NWC 6 11 BUSY
Q3 Q8
RMUTE 7 10
Q4 QS
8 9
VSS QS
RMUT
R85 R79
3.3k 3.3k
C126 R81
10p 4.7
Q14 C113
2SC4226
0.5p
TX: 0V
RX: 3.0V
L23 R78
1k
0.82µ
R84 R83
3.3k 3.3k
Q15
C123 A R82
XP1214
9p/10p 4.7
4 3
Q13 C118
2SC4226
0.5p 2
5 1
C394
0.0056
R80 A
1k/1.2k
TX: 3.0V
RX: 0V
A
R292
C350 R291
6.8k/12k
1 100k
C297
10p
4.9V
R39
47
C306 C308
4p 3p
IC1
TA31136FN
1 16
OSCIN MIXIN
2 15
OSCOUT GND
C373 0.1 3 14
MIXOUT N-REC
FI2 4 13
VCC N-DET
ALFYM450F=K
C374 0.1 5 12
IFIN RSSI
6 11
I O
DEC IFOUT
7 10
FILOUT QUAD
8 9
FILIN AFOUT
R44
220k
R45
WIDE:0.9V
100k
NARROW:0.8V
VCC
14
VDD IC5
13
NJM12904V
CONT.A
R188 C359
12
CONT.D 2 4.7k 1
11 - 1
I/O 3
+
10 R184
O/I
C283
56k
9
O/I 0.001
8 DET
I/O
TENC
DAST
SCK
SO
BAL
R140
100k
a
b
Q16
DTC144EU
c
RXC
R8V
TX: 0V
RX: 7.4V
MAIN
C61 UNIT
4.9V
100p
(2)
C62
100p
Q4
2SC4215
C65
0.001
C63
Q5
47p
DTC144EU
d
Q38
R163
DTC144EU
10k
W5
WIDE: 5.0V
NARROW: 0V
BUS LINE1
VCC
e
IC6
R231
M62363FP-650C
10k
1 24
VIN1 VIN8
2 23
VOUT1 VOUT8
3 22
VOUT2 VOUT7
4 21
VIN2 VIN7
5 20
VDD GND
6 19
LD RESET
7 18
CLK VDAREF
8 17
DI DO
9 16
VIN3 VIN6
10 15
VOUT3 VOUT6
11 14
VOUT4 VOUT5
12 13
VIN4 VIN5
5V
CPU5V
8V
BUS LINE2